What is the Molar Mass of Ca3(PO4)2?

The molar mass of Ca₃(PO₄)₂ is calculated by summing the atomic masses of all the atoms in the compound. Here’s how it’s done:

• Calcium (Ca) has an atomic mass of approximately 40.08 g/mol. Since there are 3 calcium atoms, the total mass for calcium is 3 × 40.08 = 120.24 g/mol.
• Phosphorus (P) has an atomic mass of approximately 30.97 g/mol. There are 2 phosphorus atoms, so the total mass for phosphorus is 2 × 30.97 = 61.94 g/mol.
• Oxygen (O) has an atomic mass of approximately 16.00 g/mol. There are 8 oxygen atoms, so the total mass for oxygen is 8 × 16.00 = 128.00 g/mol.

Adding these together, the molar mass of Ca₃(PO₄)₂ is:

120.24 g/mol (Ca) + 61.94 g/mol (P) + 128.00 g/mol (O) = 310.18 g/mol.

Therefore, the molar mass of Ca₃(PO₄)₂ is 310.18 g/mol.